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Cabot Strait - northern half

Warnings

Forecast

Marine Forecast

Issued 03:00 AM ADT 10 May 2026

Today Tonight and Monday.

Strong wind warning in effect.

Wind southeasterly 20 knots with gusts to 40 in the Wreckhouse area. Wind becoming southeast 30 early this evening with gusts to 55 in the Wreckhouse area. Wind diminishing to southeast 25 Monday morning with gusts to 55 from Margaree Harbour to Bay St. Lawrence. Wind diminishing to southerly 20 Monday evening.

Rain and fog patches overnight and Monday.

Waves

Issued 05:00 AM ADT 10 May 2026
Today Tonight and Monday. Seas 1 to 2 metres building to 2 to 3 early this evening then subsiding to 1 to 2 Monday evening.

Extended Forecast

Issued 03:00 AM ADT 10 May 2026
Tuesday Wind southeast 15 knots increasing to northerly 20 in the afternoon.
Wednesday Wind northwest 25 knots.
Thursday Wind light increasing to south 20 knots.

Ice Forecast

Issued 10:00 AM EDT 9 May 2026 Today Tonight and Sunday Ice free. 

[ Canadian Ice Service ]

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Map of Atlantic - Maritimes marine weather areas East Scotia Slope - 44137 Cap-Chat Burgeo Île Bicquette New Carlisle Îles de la Madeleine Airport Port Menier Summerside North Cape Pointe-au-Père Mont-Joli Airport La Pocatière Wreckhouse Banquereau - 44139 Port aux Basques Sagona Island Gaspé Airport LaHave Bank - 44150 Halifax Harbour - 44258 St. Lawrence Stephenville Airport Western Head Winterland Branch Hill Île aux Perroquets Beaver Island Baccaro Point St. Stephen Pointe-des-Monts Saint John Airport Sept-Îles Airport Point Lepreau Greater Moncton Roméo LeBlanc Int'l Airport Longue-Pointe-de-Mingan Miscou Island Île Rouge Kouchibouguac Pointe-Noire Kouchibouguac Havre-Saint-Pierre Airport Grand Manan Fundy Park (Alma) Miramichi Charlo West Chedabucto Bay – 44489 Bathurst Airport Baie-Comeau Airport Bas Caraquet East Chedabucto Bay – 44488 Nappan AAFC East Point Charlottetown Airport Yarmouth Airport Cap-d'Espoir Tracadie J.A. Douglas McCurdy Sydney Airport Shearwater Airport St.Paul Island Sable Island Parrsboro North Mountain Rivière-la-Madeleine McNabs Island Lunenburg Kentville AAFC Ingonish Beach Hart Island CFB Greenwood Grand Étang Eskasoni (First Nations) Debert Caribou Point Brier Island
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Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 9 May 2026 Today Tonight and Sunday

Ice Edge

Ice edge estimated from Quebec near 5015N 6410W to 5002N 6332W to
4956N 5959W to 5102N 5743W to Newfoundland near 5047N 5708W. Sea ice
north of the ice edge.

Ice Coverage

Ice free.

 

Iceberg Bulletin

Issued 2:30 PM EDT 9 May 2026

Iceberg Limit

Iceberg limit at 0000 UTC 10 May estimated from Newfoundland near
4655N 5545W to 4200N 5115W to 4220N 4635W to 4735N 4420W to 5310N
4705W to 5550N 5010W to 5900N 5500W to 6000N 5300W to 5820N 5000W to
5735N 4540W then eastward.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Strong wind warning in effect

Cabot Strait - northern half

Issued 03:00 AM ADT 10 May 2026

'Strong' winds of 20 to 33 knots are occurring or expected to occur in this marine area. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio or Weatheradio stations.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM ADT 10 May 2026 Today Tonight and Monday At 3:00 a.m. ADT today departing ridge located over the Grand Banks.

At 3:00 a.m. ADT today trough located over New England.
By 8:00 p.m. ADT tonight trough located on a line north-south over
New Brunswick.

At 10:00 a.m. ADT Monday trough located from Labrador to East
Scotian Slope.

Atlantic - Maritimes Area

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Marine Weather for Canada

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